Mercury has been known to us since 300BC and is a very small planet close to the sun making it hard to see. Mercury can only been seen with a telescope before sunset or just after dawn. It appears as a small spot in front of the surface of the sun. There is no life on Mercury, extreme temperature changes make this impossible.
» Mercury is the smallest planet in our solar system
» It has no atmosphere, ring system or moons
» It takes 88 days to orbit the sun
» The temperature on Mercury’s surface is between -170 and 420 degrees Celsius
» Mercury is the second hottest planet, Venus is the first
» It has the more craters than any other planet, this is caused by comets and asteroids.
» Mercury was named after a Roman god, Mercury was the son of Maia Maiestas and Jupiter.
» Sunrise to sunset, one day on Mercury takes 87 earth days
» Mercury is 70% iron which is located at its core, making it the second densest planet in our solar system after Earth.
» Two space craft’s have visited Mercury, Mariner 10 and Messenger.
Diameter (Km) 4879
Mass 328.5E21 kg
Density (Kg/m³) 5427
Temperature (°C) -170 to 420
Distance from sun (Km) 58 Million
Rotation period 1407.6 hours
Length of Day 4222.6 hours
Orbital period 88 Days
Number of moons 0
Magnetic field Yes
Ring system No